The ratio of number of residents in Kennedale to the number of sex offenders is 544 to 1. The number of registered sex offenders compared to the number of residents in this city is near the state average. Nearest city with pop. 50,000+: Arlington, TX (6.7 miles , pop. 332,969).
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These componets are used because the accuracy of the GPS system varies. For example horizontal position can usually be measured more accurately than vertical position. The input errors are the same, but the geometry may favor one direction over another. VDOP is vertical DOP; HDOP is horizontal DOP.There are also PDOP for 3D positions, TDOP for time, and GDOP for geometic DOP (which is everything all together). For example, a DOP of 2 means that whatever the input errors were, the final error will twice as big.hese componets are used because the accuracy of the GPS system varies. For example horizontal position can usually be measured more accurately than vertical position. The input errors are the same, but the geometry may favor one direction over another. VDOP is vertical DOP; HDOP is horizontal DOP.